안녕하세요.
서버의 동영상을 스트리밍 하는 도중에 이상한 점이 발견되어 질문드립니다.
약간의 형식은 다른데 크게 봤을 때, 똑같은 mp4 파일인데 어떤 동영상은
재생이 잘되고, 어떤 동영상은 "스트리밍할 수 없는 동영상입니다."라는 문구와 함께
재생이 되지 않더군요

아래 정보들이 있는데요. 혹시 아시는 것 있으시면 답글 부탁드립니다!!

재생 불가능 동영상
General
      Complete name : C:\Documents and Settings\MYHOME\바탕 화면\2010-08-26.mp4
      Format : MPEG-4
      Format profile : 3GPP Media Release 4
      Codec ID : 3gp4
      File size : 6.50 MiB
      Duration : 15s 872ms
      Overall bit rate : 3 434 Kbps
   Video #2
      Format : AVC
      Format/Info : Advanced Video Codec
      Format profile : Baseline@L3.0
      Format settings, CABAC : No
      Format settings, ReFrames : 1 frame
      Muxing mode : Container profile=Unknown@12.3
      Codec ID : avc1
      Codec ID/Info : Advanced Video Coding
      Duration : 15s 799ms
      Bit rate mode : Variable
      Bit rate : 3 385 Kbps
      Width : 720 pixels
      Height : 480 pixels
      Display aspect ratio : 1.500
      Frame rate mode : Variable
      Frame rate : 29.369 fps
      Minimum frame rate : 17.241 fps
      Maximum frame rate : 31.250 fps
      Standard : NTSC
      Resolution : 24 bits
      Colorimetry : 4:2:0
      Scan type : Progressive
      Bits/(Pixel*Frame) : 0.334
      Stream size : 6.38 MiB (98%)
   Audio #1
      Format : AAC
      Format/Info : Advanced Audio Codec
      Format version : Version 4
      Format profile : LC
      Format settings, SBR : No
      Codec ID : 40
      Duration : 15s 872ms
      Bit rate mode : Variable
      Bit rate : 59.4 Kbps
      Nominal bit rate : 62.8 Kbps
      Maximum bit rate : 66.5 Kbps
      Channel(s) : 1 channel
      Channel positions : C
      Sampling rate : 16.0 KHz
      Resolution : 16 bits
      Stream size : 115 KiB (2%)

재생 가능 동영상

General
      Complete name : C:\Documents and Settings\MYHOME\바탕 화면\Unexpect2001_512kb.mp4
      Format : MPEG-4
      Format profile : Base Media
      Codec ID : isom
      File size : 5.51 MiB
      Duration : 1mn 19s
      Overall bit rate : 580 Kbps
      Movie name : Unexpected Perspectives - http://www.archive.org/details/Unexpect2001
      Performer : Scott Dickey
      Screenplay by : Scott Dickey
      Encoded date : 2001
      Tagged date : UTC 2008-11-30 16:36:17
      Writing application : Lavf51.10.0
   Video #1
      Format : AVC
      Format/Info : Advanced Video Codec
      Format profile : Baseline@L1.3
      Format settings, CABAC : No
      Format settings, ReFrames : 1 frame
      Codec ID : avc1
      Codec ID/Info : Advanced Video Coding
      Duration : 1mn 19s
      Bit rate mode : Variable
      Bit rate : 511 Kbps
      Width : 320 pixels
      Height : 240 pixels
      Display aspect ratio : 4/3
      Frame rate mode : Constant
      Frame rate : 29.970 fps
      Resolution : 24 bits
      Colorimetry : 4:2:0
      Scan type : Progressive
      Bits/(Pixel*Frame) : 0.222
      Stream size : 4.85 MiB (88%)
      Encoded date : UTC 1970-01-01 00:00:00
      Tagged date : UTC 1970-01-01 00:00:00
   Audio #2
      Format : AAC
      Format/Info : Advanced Audio Codec
      Format version : Version 4
      Format profile : LC
      Format settings, SBR : No
      Codec ID : 40
      Duration : 1mn 19s
      Bit rate mode : Variable
      Bit rate : 64.2 Kbps
      Channel(s) : 2 channels
      Channel positions : L R
      Sampling rate : 48.0 KHz
      Resolution : 16 bits
      Stream size : 623 KiB (11%)
      Encoded date : UTC 1970-01-01 00:00:00
      Tagged date : UTC 1970-01-01 00:00:00